Jamnagar is the fifth largest city in the Indian state of Gujarat behindAhmedabad, nbsp;Surat, nbsp;Vadodara&nbsp and Rajkot. Jamnagar is the largest city on the western most side of India.

The Modern look of the city was initially given by Jam Saheb Shri Ranjitsinhji, who actual built the city with all the modern infrastructure of that era was done during his reign during 1920s, the city was thereafter substantially developed by Jam Saheb Shri Digvijaysinhji Ranjitsinhji&nbsp in the 1940s, when it was part of the Princely state&nbsp of Nawanagar.

The city lies just to the south of the Gulf of Kutch, some 337 kilometres (209 mi) west of the state capital, Gandhinagar

World #39;s largest petroleum company, Reliance Industries, has established the world's largest oil refinery&nbsp near the village of Moti Khavdi in Jamnagar district.The Essar Oil&nbsp refinery is located in the nearby town of Vadinar.

Nawanagar was founded by Jam Sri Rawalji&nbsp in 1540 as the capital of the eponymous Princely state. Jamnagar, historically known as Nawanagar (the new town), was one of the most important and the largest Princely states of the Jadejas&nbsp in the Saurashtra region. It was a 13 gun salute state. According to Pauranik literature,